package ch08;public class Example8_14{
	public static void main(String args[]) {
		StringBuffer str = new StringBuffer();
		str.append("大家好");
		System.out.println("str:"+str);
		System.out.println("length:"+str.length());
		System.out.println("capcity:"+str.capacity());
		str.setCharAt(0,'w');
		str.setCharAt(1,'e');
		System.out.println(str);
		str.insert(2," are all");
		System.out.println(str);
		int index=str.indexOf("好");
		str.replace(index,str.length()," right");
		System.out.println(str);
	}
}
